Treatment of radioulnar synostosis by radical excision and interposition of a radial forearm adipofascial flap.

A patient had radical excision of type II diaphyseal radioulnar synostosis and interposition of a radial forearm adipofascial flap. Neither adjuvant nonsteroidal anti-inflammatory medications nor radiation therapy were used. Three years after surgery the patient showed 90 degrees of pronation and 90 degrees of supination without any evidence of recurrence.